40145014 has 24 divisors (see below), whose sum is σ = 75439728. Its totient is φ = 15881040.

The previous prime is 40144991. The next prime is 40145023. The reversal of 40145014 is 41054104.

It is a super-2 number, since 2×40145014² = 3223244298120392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40144982 and 40145000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14482 + ... + 17029.

It is an arithmetic number, because the mean of its divisors is an integer number (3143322).

Almost surely, 2^40145014 is an apocalyptic number.

40145014 is a deficient number, since it is larger than the sum of its proper divisors (35294714).

40145014 is a wasteful number, since it uses less digits than its factorization.

40145014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31540 (or 31533 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40145014 is about 6336.0093118618. The cubic root of 40145014 is about 342.4079749922.

Adding to 40145014 its reverse (41054104), we get a palindrome (81199118).

The spelling of 40145014 in words is "forty million, one hundred forty-five thousand, fourteen".